SYMBOLCOMMON_NAMEaka. SYNONYMS
win.mirai (Back to overview)

Mirai


There is no description at this point.

References
2022-04-19360360 Netlab
@online{netlab:20220419:public:0ce406b, author = {360 Netlab}, title = {{Public Cloud Cybersecurity Threat Intelligence (202203)}}, date = {2022-04-19}, organization = {360}, url = {https://blog.netlab.360.com/public-cloud-threat-intelligence-202203/}, language = {English}, urldate = {2022-04-25} } Public Cloud Cybersecurity Threat Intelligence (202203)
Bashlite Tsunami Mirai
2022-04-15SpiderLabs BlogRadoslaw Zdonczyk
@online{zdonczyk:20220415:tough:641344c, author = {Radoslaw Zdonczyk}, title = {{Tough Times for Ukrainian Honeypot?}}, date = {2022-04-15}, organization = {SpiderLabs Blog}, url = {https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/tough-times-for-ukrainian-honeypot/}, language = {English}, urldate = {2022-04-20} } Tough Times for Ukrainian Honeypot?
Mirai
2022-03-21Azure DevOps (Mastadamus)Mastadamus
@online{mastadamus:20220321:anatomy:5e52c7b, author = {Mastadamus}, title = {{Anatomy of An Mirai Botnet Attack}}, date = {2022-03-21}, organization = {Azure DevOps (Mastadamus)}, url = {https://dev.azure.com/Mastadamus/Mirai%20Botnet%20Analysis/_wiki/wikis/Mirai-Botnet-Analysis.wiki/12/Anatomy-of-An-Mirai-Botnet-Attack}, language = {English}, urldate = {2022-03-22} } Anatomy of An Mirai Botnet Attack
Mirai
2022-03VirusTotalVirusTotal
@techreport{virustotal:202203:virustotals:c6af9c1, author = {VirusTotal}, title = {{VirusTotal's 2021 Malware Trends Report}}, date = {2022-03}, institution = {VirusTotal}, url = {https://assets.virustotal.com/reports/2021trends.pdf}, language = {English}, urldate = {2022-04-13} } VirusTotal's 2021 Malware Trends Report
Anubis AsyncRAT BlackMatter Cobalt Strike DanaBot Dridex Khonsari MimiKatz Mirai Nanocore RAT Orcus RAT
2022-02-25360 netlabGhost
@online{ghost:20220225:details:66e35e3, author = {Ghost}, title = {{Details of the DDoS attacks we have seen recently against Ukraine and Russia}}, date = {2022-02-25}, organization = {360 netlab}, url = {https://blog.netlab.360.com/wo-men-kan-dao-de-wu-ke-lan-bei-ddosgong-ji-xi-jie/}, language = {Chinese}, urldate = {2022-03-01} } Details of the DDoS attacks we have seen recently against Ukraine and Russia
Bashlite Mirai Mirai
2019-05-08Verizon Communications Inc.Verizon Communications Inc.
@techreport{inc:20190508:2019:3c20a3b, author = {Verizon Communications Inc.}, title = {{2019 Data Breach Investigations Report}}, date = {2019-05-08}, institution = {Verizon Communications Inc.}, url = {https://enterprise.verizon.com/resources/reports/2019-data-breach-investigations-report.pdf}, language = {English}, urldate = {2020-05-10} } 2019 Data Breach Investigations Report
BlackEnergy Cobalt Strike DanaBot Gandcrab GreyEnergy Mirai Olympic Destroyer SamSam
2017-03-29ImpervaDima Bekerman
@online{bekerman:20170329:new:e4007ca, author = {Dima Bekerman}, title = {{New Mirai Variant Launches 54 Hour DDoS Attack against US College}}, date = {2017-03-29}, organization = {Imperva}, url = {https://www.incapsula.com/blog/new-mirai-variant-ddos-us-college.html}, language = {English}, urldate = {2020-01-05} } New Mirai Variant Launches 54 Hour DDoS Attack against US College
Mirai
2017-02-21Kaspersky LabsGReAT
@online{great:20170221:newish:1c13271, author = {GReAT}, title = {{New(ish) Mirai Spreader Poses New Risks}}, date = {2017-02-21}, organization = {Kaspersky Labs}, url = {https://securelist.com/blog/research/77621/newish-mirai-spreader-poses-new-risks/}, language = {English}, urldate = {2019-12-20} } New(ish) Mirai Spreader Poses New Risks
Mirai
2017-02-10Twitter (@PhysicalDrive0)@PhysicalDrive0
@online{physicaldrive0:20170210:mirai:51440a0, author = {@PhysicalDrive0}, title = {{Tweet on Mirai Windows Version}}, date = {2017-02-10}, organization = {Twitter (@PhysicalDrive0)}, url = {https://twitter.com/PhysicalDrive0/status/830070569202749440}, language = {English}, urldate = {2019-07-09} } Tweet on Mirai Windows Version
Mirai
Yara Rules
[TLP:WHITE] win_mirai_auto (20220516 | Detects win.mirai.)
rule win_mirai_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-05-16"
        version = "1"
        description = "Detects win.mirai."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.mirai"
        malpedia_rule_date = "20220513"
        malpedia_hash = "7f4b2229e6ae614d86d74917f6d5b41890e62a26"
        malpedia_version = "20220516"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { eb32 3bc7 7339 80f9a1 7234 80f9fe 772f }
            // n = 7, score = 100
            //   eb32                 | jmp                 0x34
            //   3bc7                 | cmp                 eax, edi
            //   7339                 | jae                 0x3b
            //   80f9a1               | cmp                 cl, 0xa1
            //   7234                 | jb                  0x36
            //   80f9fe               | cmp                 cl, 0xfe
            //   772f                 | ja                  0x31

        $sequence_1 = { ff75f4 ff15???????? ffb5ecfbffff ff15???????? ff75f8 ff15???????? 32c0 }
            // n = 7, score = 100
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   ff15????????         |                     
            //   ffb5ecfbffff         | push                dword ptr [ebp - 0x414]
            //   ff15????????         |                     
            //   ff75f8               | push                dword ptr [ebp - 8]
            //   ff15????????         |                     
            //   32c0                 | xor                 al, al

        $sequence_2 = { ffd0 8bc6 5e c20c00 8b542414 8b4904 8b01 }
            // n = 7, score = 100
            //   ffd0                 | call                eax
            //   8bc6                 | mov                 eax, esi
            //   5e                   | pop                 esi
            //   c20c00               | ret                 0xc
            //   8b542414             | mov                 edx, dword ptr [esp + 0x14]
            //   8b4904               | mov                 ecx, dword ptr [ecx + 4]
            //   8b01                 | mov                 eax, dword ptr [ecx]

        $sequence_3 = { e8???????? c645fc45 6a01 8d8598f8ffff 50 8b8d6cf7ffff e8???????? }
            // n = 7, score = 100
            //   e8????????           |                     
            //   c645fc45             | mov                 byte ptr [ebp - 4], 0x45
            //   6a01                 | push                1
            //   8d8598f8ffff         | lea                 eax, [ebp - 0x768]
            //   50                   | push                eax
            //   8b8d6cf7ffff         | mov                 ecx, dword ptr [ebp - 0x894]
            //   e8????????           |                     

        $sequence_4 = { ff7508 8d45ac 50 8b8da0dfffff e8???????? 834dfcff 8d4dd4 }
            // n = 7, score = 100
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8d45ac               | lea                 eax, [ebp - 0x54]
            //   50                   | push                eax
            //   8b8da0dfffff         | mov                 ecx, dword ptr [ebp - 0x2060]
            //   e8????????           |                     
            //   834dfcff             | or                  dword ptr [ebp - 4], 0xffffffff
            //   8d4dd4               | lea                 ecx, [ebp - 0x2c]

        $sequence_5 = { eb23 6a5d ff7508 8b4df4 e8???????? 85c0 750f }
            // n = 7, score = 100
            //   eb23                 | jmp                 0x25
            //   6a5d                 | push                0x5d
            //   ff7508               | push                dword ptr [ebp + 8]
            //   8b4df4               | mov                 ecx, dword ptr [ebp - 0xc]
            //   e8????????           |                     
            //   85c0                 | test                eax, eax
            //   750f                 | jne                 0x11

        $sequence_6 = { ff7508 e8???????? 59 ff30 e8???????? 59 8b4d08 }
            // n = 7, score = 100
            //   ff7508               | push                dword ptr [ebp + 8]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   ff30                 | push                dword ptr [eax]
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]

        $sequence_7 = { 8bcf e8???????? 8d54240c 52 8d442418 50 e8???????? }
            // n = 7, score = 100
            //   8bcf                 | mov                 ecx, edi
            //   e8????????           |                     
            //   8d54240c             | lea                 edx, [esp + 0xc]
            //   52                   | push                edx
            //   8d442418             | lea                 eax, [esp + 0x18]
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_8 = { e8???????? 89458c eb04 83658c00 8b458c 8945b8 834dfcff }
            // n = 7, score = 100
            //   e8????????           |                     
            //   89458c               | mov                 dword ptr [ebp - 0x74], eax
            //   eb04                 | jmp                 6
            //   83658c00             | and                 dword ptr [ebp - 0x74], 0
            //   8b458c               | mov                 eax, dword ptr [ebp - 0x74]
            //   8945b8               | mov                 dword ptr [ebp - 0x48], eax
            //   834dfcff             | or                  dword ptr [ebp - 4], 0xffffffff

        $sequence_9 = { ffd1 83c404 80be8403000000 7409 56 e8???????? 83c404 }
            // n = 7, score = 100
            //   ffd1                 | call                ecx
            //   83c404               | add                 esp, 4
            //   80be8403000000       | cmp                 byte ptr [esi + 0x384], 0
            //   7409                 | je                  0xb
            //   56                   | push                esi
            //   e8????????           |                     
            //   83c404               | add                 esp, 4

    condition:
        7 of them and filesize < 7086080
}
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